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Kernel: filter: prevent nla extensions to peek beyond the end of the message

🗓️ 29 Jul 2014 15:51:11Reported by RedHatType 
redhat
 redhat🔗 access.redhat.com👁 3 Views

Kernel filter flaw allows over-read via BPF_S_ANC_NLATTR_NEST due to reversed subtraction, causing crash.

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FreeBSD		cURL -- multiple vulnerabilities
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BDU FSTEC		The vulnerability of the Linux operating system, which allows a malicious individual to trigger a service failure
5 Jul 201600:00
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BDU FSTEC		Vulnerabilities in the SUSE Linux Enterprise operating system that allow attackers to compromise the confidentiality, integrity, and accessibility of protected information
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BDU FSTEC		Vulnerabilities in the SUSE Linux Enterprise operating system that allow attackers to compromise the confidentiality, integrity, and accessibility of protected information
28 Apr 201500:00
–bdu_fstec
BDU FSTEC		Vulnerabilities in the SUSE Linux Enterprise operating system that allow attackers to compromise the confidentiality, integrity, and accessibility of protected information
28 Apr 201500:00
–bdu_fstec
BDU FSTEC		Vulnerabilities in the SUSE Linux Enterprise operating system that allow attackers to compromise the confidentiality, integrity, and accessibility of protected information
28 Apr 201500:00
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Tenable Nessus		CentOS 6 : kernel (CESA-2014:0981)
1 Aug 201400:00
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Tenable Nessus		Debian DSA-2949-1 : linux - security update
6 Jun 201400:00
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Tenable Nessus		EulerOS Virtualization 3.0.1.0 : kernel (EulerOS-SA-2019-1479)
13 May 201900:00
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Tenable Nessus		EulerOS Virtualization for ARM 64 3.0.1.0 : kernel (EulerOS-SA-2019-1486)
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OSOS VersionArchitecturePackagePackage VersionFilename
Red Hat Enterprise Linux6ppc64kernel0:2.6.32-431.23.3.el6kernel-0:2.6.32-431.23.3.el6.ppc64.rpm
Red Hat Enterprise Linux6s390xkernel0:2.6.32-431.23.3.el6kernel-0:2.6.32-431.23.3.el6.s390x.rpm
Red Hat Enterprise Linux6x86_64kernel0:2.6.32-431.23.3.el6kernel-0:2.6.32-431.23.3.el6.x86_64.rpm
Red Hat Enterprise Linux6anykernel0:2.6.32-431.23.3.el6.i686kernel-0:2.6.32-431.23.3.el6.i686.noarch.rpm
Red Hat Enterprise Linux6anykernel-abi-whitelists0:2.6.32-431.23.3.el6.noarchkernel-abi-whitelists-0:2.6.32-431.23.3.el6.noarch.noarch.rpm
Red Hat Enterprise Linux6ppc64kernel-bootwrapper0:2.6.32-431.23.3.el6kernel-bootwrapper-0:2.6.32-431.23.3.el6.ppc64.rpm
Red Hat Enterprise Linux6ppc64kernel-debug0:2.6.32-431.23.3.el6kernel-debug-0:2.6.32-431.23.3.el6.ppc64.rpm
Red Hat Enterprise Linux6s390xkernel-debug0:2.6.32-431.23.3.el6kernel-debug-0:2.6.32-431.23.3.el6.s390x.rpm
Red Hat Enterprise Linux6x86_64kernel-debug0:2.6.32-431.23.3.el6kernel-debug-0:2.6.32-431.23.3.el6.x86_64.rpm
Red Hat Enterprise Linux6anykernel-debug0:2.6.32-431.23.3.el6.i686kernel-debug-0:2.6.32-431.23.3.el6.i686.noarch.rpm
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25 Jun 2026 10:41Current
7High risk
Vulners AI Score7
CVSS 24.9
EPSS0.00649
linux kernelnlattr nestbpf instructiondenial of serviceover read
3